Thinking Machines Lab's open-weight multimodal model with 41B active parameters out of 975B total.
Fast agentic model with 2M context window and tool calling.
No shared agent demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Inkling and Grok 4.1 Fast are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Inkling supports vision/image input, but Grok 4.1 Fast does not.
Key differences: only Inkling supports vision input; only Inkling offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Inkling and Grok 4.1 Fast for free on idapt.app to see which performs better for your specific needs.